ARMY TM 9-6115-604-12NAVY NAVFAC P 8 633-12Figure 4-72. Cabinet B Upper Front Doorb.Remove.See Figure 4-68.(1) Tag and disconnect wiring to FREQ ADJ rheostat R102 (10).(2) Remove knob (9).(3) Loosen and remove locking nut at front of cabinet B door and remove the rheostat from the rear.c.Install.See Figure 4-68(1) Position rheostat In panel so that slot aligns with notch in panel.(2) Install FREQ ADJ rheostat R102 (10) from the rear of cabinet B door and secure in a position such that whenknob is attached, with shaft rotated fully counterclockwise, the arrow is at the 9 o'clock position.(3) Secure knob (9).(4) Connect wires and discard tags.4-177
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